Add 90/30 and 80/20
1st number: 3 0/30, 2nd number: 4 0/20
90/30 + 80/20 is 7/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
90/30 = 90 × 2/30 × 2 = 180/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
80/20 = 80 × 3/20 × 3 = 240/60 - Add the two like fractions:
180/60 + 240/60 = 180 + 240/60 = 420/60 - 420/60 simplified gives 7/1
- So, 90/30 + 80/20 = 7/1
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